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Fastest way to reset every value of std::vector to 0
... "... not conclusive ..." IMO this inconclusiveness in itself is already a good point for doing benchmarks, more often than not the Optimizer already does a very good job for the kind of situations the OP asked about. And I'd modify your last sentence to read "If there's no significant perfo...
GetHashCode Guidelines in C#
I read in the Essential C# 3.0 and .NET 3.5 book that:
9 Answers
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How can I explicitly free memory in Python?
...dn't. And neither would any other language, really. The problem is that he reads in large amounts of data into a list, and the data is too large for the memory.
– Lennart Regebro
Aug 22 '09 at 19:27
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Multiple commands on a single line in a Windows batch file
... the same time however since environment variables tend to be evaluated on read rather than execute.
You can get round this by turning on delayed expansion:
pax> cmd /v:on /c "echo !time! & ping 127.0.0.1 >nul: & echo !time!"
15:23:36.77
15:23:39.85
That's needed from the command l...
Is JavaScript a pass-by-reference or pass-by-value language?
... then everything would have changed. num would be 100, and obj2.item would read "changed".
Instead, the situation is that the item passed in is passed by value. But the item that is passed by value is itself a reference.
Technically, this is called call-by-sharing.
In practical terms, this means ...
How can I view the shared preferences file using Android Studio?
...his on Eclipse, but I'm debugging on Android Studio. My phone is rooted. I read that having root access is important to read these types of files. If there is no way, then I will look up how to access the info through my program then output it to log cat. Hopefully, though, I can just view the file ...
Difference between variable declaration syntaxes in Javascript (including global variables)?
...u can delete it. I'd recommend not doing this, it can be unclear to anyone reading your code later. If you use ES5's strict mode, doing this (assigning to a non-existent variable) is an error. It's one of several reasons to use strict mode.
And interestingly, again on IE8 and earlier, the property ...
Using 'return' in a Ruby block
...tion from that "next returns value from block and ends it call". I want to read more on it.
– user566245
Jul 9 '13 at 16:27
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How to compare type of an object in Python?
...sinstance("this is a string", str) will return True.
You may also want to read this: http://www.canonical.org/~kragen/isinstance/
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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?
... for NULL values. If you simply modify the final line: "return @value2" to read as: "return isnull(@val2,@val1)" then if one of the values is null the function will return the not null value, otherwise it will work as normal
– kristof
Sep 24 '08 at 10:32
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